EP2211650A2 - Fussbekleidungsartikel - Google Patents

Fussbekleidungsartikel

Info

Publication number
EP2211650A2
EP2211650A2 EP08848124A EP08848124A EP2211650A2 EP 2211650 A2 EP2211650 A2 EP 2211650A2 EP 08848124 A EP08848124 A EP 08848124A EP 08848124 A EP08848124 A EP 08848124A EP 2211650 A2 EP2211650 A2 EP 2211650A2
Authority
EP
European Patent Office
Prior art keywords
footwear article
sole
article according
foot
person
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08848124A
Other languages
English (en)
French (fr)
Other versions
EP2211650A4 (de
EP2211650B1 (de
Inventor
David Fu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP16179997.8A priority Critical patent/EP3132705B1/de
Publication of EP2211650A2 publication Critical patent/EP2211650A2/de
Publication of EP2211650A4 publication Critical patent/EP2211650A4/de
Application granted granted Critical
Publication of EP2211650B1 publication Critical patent/EP2211650B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/14Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18Resilient soles
    • A43B13/189Resilient soles filled with a non-compressible fluid, e.g. gel, water
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/02Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12Soles with several layers of different materials
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/14Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/141Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/14Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/16Pieced soles
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/14Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18Resilient soles
    • A43B13/187Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • A43B13/188Differential cushioning regions
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/10Low shoes, e.g. comprising only a front strap; Slippers
    • A43B3/108Low shoes, e.g. comprising only a front strap; Slippers characterised by the sole
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/12Sandals; Strap guides thereon
    • A43B3/128Sandals; Strap guides thereon characterised by the sole
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/144Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1445Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the midfoot, i.e. the second, third or fourth metatarsal
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/32Footwear with health or hygienic arrangements with shock-absorbing means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/12Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/122Soles

Definitions

  • the present invention relates to the field of footwear articles, in particular to footwear of composite form
  • shock loadings and forces applied to the underside of the foot of a person via the sole of footwear article have long term effects on the integrity of joints of a person, whilst also at times causing pain and discomfort, in particular when wearing footwear for extended periods of time
  • Footwear articles of the prior art include various manners in which to increase comfort and conformity to the foot of user, including shock absorptive inserts, various types of foam rubber and air cushioning devices Such footwear articles typically require increased manufacturing costs and tooling, thus increasing complexity of production
  • the present invention is provides a footwear article which overcomes or at least substantially ameliorates at least some of the deficiencies as exhibited by those of the prior art SUMMARY OF THE INVENTION
  • the present invention provides a footwear article comprising
  • a generally elongate sole for engagement with and support of the foot of a person, said sole having an upper surface, a lower surface, a first portion being for interaction with at least the heel region of the foot of the person and a second portion for interaction with at least the metatarsal region of the foot of the person, and
  • a foot engagement means for securing the footwear article to the foot of a person
  • a first portion of the sole includes a first material having a first material property and the a second portion of the sole includes a second material having a second material property
  • said first portion and said second portion extend at least to the upper surface of the sole and first material property provides for dampening of load imparted to the foot of the person upon contact with a surface
  • the first portion further provides for interaction with and at least partial support of the plantar arch of the user
  • the first portion extends substantially laterally across the sole
  • the first portion is provided as a first part and a second part and laterally spaced apart such that the first part provides for interaction with the lateral inferior of the heel of the person and the second part provides for interaction with the medial inferior aspect of the heel of the user
  • the first part and the second part of the first portion are preferably sized and selected from a material so as to provide lateral stabilisation and load distribution of the heel of the person
  • the first material property and the second material property may differ from each other and the first material and the second material may differ from each other, and the first material and the second material have differing densities
  • the first portion and the second portion are preferably selected from the group including polymeric materials, rubbers, elastomers and organic materials or combinations thereof
  • first material and the second material are selected from the group including thermoplastic polymeric material, co-polymers and mixed polymer blends
  • the first material and the second material are preferably selected from the group including polyurethane, ethylene vinyl acetate, poly vinyl acetate and the like
  • the first material and the second material may be provided in the form of expanded form, compact form or gel form of combinations thereof
  • the first material is a polyurethane gel and the second material is an expanded poly vinyl acetate material
  • the engagement means is preferably selected from the group including straps, an enclosure, a buckle or the like.
  • the sole is formed as a unitary construct by co-molding the first portion and the second portion.
  • the sole is preferably formed as a unitary construct whereby the first portion and the second portion are joined together by an adhesive bonding agent, contact cement pressure or heat activated film or the like.
  • the upper surface of the sole is preferably provided as a substantially continuous surface and formed by at least part of the first portion and the second portion of the sole, and the first portion preferably extends partially towards the lower surface of the sole.
  • the first portion may extend through the sole to the lower surface of the sole.
  • the upper surface is preferably of concave form and the sole includes a peripheral lip extending at least partially along the periphery of the sole so as to provide a contoured upper surface configured to receive the underside of the foot of the person.
  • the footwear article may further include a cushioning member located within the sole.
  • the first portion of the sole may be provided as a multi-layered gel construct.
  • the sole may further include a third portion which extends to the upper surface of the sole and having material property provides for dampening of load imparted to the foot of the person upon contact with a surface, said third portion providing for interaction with at least the metatarsal region of the foot of the person
  • the footwear article is provided in the form of a "flip-flop” type footwear article
  • the article may be provided in the form of a “sandal” type footwear article, or as an at least partially enclosed footwear article
  • the article may be provided as a heeled article such that the upper surface of the sole is inclined in a direction of from the upper surface towards the lower surface in a direction of from the first portion towards the second portion, and the third portion is located in a portion to substantially prevent or reduce movement of the foot of the person along the upper surface of the sole
  • the third portion may be located so as to be at adjacent the ball of the underside of the foot of the person
  • the present invention provides a footwear article comprising
  • a generally elongate sole for engagement with and support of the foot of a person, said sole having an upper surface, a lower surface, a first portion being for interaction with at least the heel region of the foot of the person and a second portion for interaction with at least the metatarsal region of the foot of the person, and
  • a foot engagement means for securing the footwear article to the foot of a person characterised in that a first portion of the sole includes a first material having a first material property and the a second portion of the sole includes a second material having a second material property, first material property providing for dampening of load imparted to the foot of the person upon contact with a surface
  • said first material is a gel type polymeric material and said second material is an expanded polymeric material
  • the sole is preferably formed as a unitary molded structure, and said first portion and said second portion cooperatively form a flexible sole
  • a part of the first portion and a part of the second portion form the upper surface of the sole
  • the present invention provides a footwear article comprising
  • a generally elongate sole comprising a first portion and a second portion and having an upper surface and a lower surface, said first portion being for direct contact and interaction with at least a portion of the underside of the foot of the person and being formed from a first polymeric material having a first density, and said second portion forming substantially the entire lower surface and being for direct contact and interaction with a surface and being formed from a second polymeric material having a second density, and
  • a generally elongate and flexible foot engagement means for securing the footwear article to the foot of a person, said foot engagement being engaged directly with at least said second portion and configured so as to extend over a portion of the upper side of the foot of the person,
  • first polymeric material and the second polymeric material are selected and the first portion and the second portion are sized and arranged such that the sole is substantially flexible and elastic so as to allow for substantial flexion of the sole longitudinally and return, when in use and during ambulation of the person,
  • first polymeric material and the second polymeric material are selected and the first portion and the second portion are sized and arranged such that dampening is provided upon load being imparted to the foot of the person upon contact with the surface
  • the sole is formed as a unitary construct by co-molding the first portion and the second portion together, and the first polymeric material and the second polymeric material are suitably selected for said co-molding
  • the first density is preferably greater than the second density, and the first material is preferably provided in a gel form and the second polymeric material is preferably provided in an expanded form
  • the foot engagement means is a "thong” type engagement means
  • the footwear article is provided in the form of a "flip-flop” type footwear article
  • the first polymeric material and the second polymeric material may be selected from the group including thermoplastic polymeric materials, co-polymers and mixed polymer blends, more preferably from the group including polyurethane, ethylene vinyl acetate, poly vinyl acetate and the like
  • the first material is a polyurethane gel material and the second material is an expanded polyurethane material
  • the first portion may extend substantially laterally across upper surface of the sole and substantially form the rear part of the upper surface of the sole, and the second portion may form at least a part of the front part of the upper surface of the sole
  • the first portion may form at least part of the front part of the upper surface of the sole
  • the second portion may form at least a part of the rear part of the upper surface of the sole
  • the first portion may form substantially the entire upper surface of the sole
  • the first portion may further provide for interaction with and at least partial support of the plantar arch of the user
  • the first portion may be provided as a first part and a second part and laterally spaced apart such that the first part provides for interaction with the lateral inferior of the metatarsal region of the foot of the person and the second part provides for interaction with the medial inferior aspect of the metatarsal region of the foot of the person
  • the first part and the second part of the first portion may be sized and selected from a material so as to provide lateral stabilisation and load distribution of the heel of the person
  • the upper surface may be of concave form and the sole may include a peripheral lip extending at least partially along the periphery of the sole so as to provide a contoured upper surface configured to receive the underside of the foot of the person
  • Figure 1a is a plan view of an exemplary embodiment of a footwear article according to the present invention.
  • Figure 1b is an underside view of the embodiment of the invention as depicted in Figure 1 a,
  • Figure 1c is a side view of the embodiment of the invention as depicted in Figures 1a and 1 b,
  • Figure 2a depicts an inside view of a schematic representation of the present invention
  • Figure 2b is an underside view of the schematic representation depicted in Figure 2a
  • Figure 2c is an outside view of the schematic representation of the present invention depicted in Figures 2a and 2b,
  • Figure 2d is a section view through line D-D of Figure 2b
  • Figure 2e is a plan view of the schematic representation depicted in Figures 2a to 2d
  • Figure 2f is a section view through line A-A of Figure 2b
  • Figure 2g is a section view through line B-B of Figure 2b
  • Figure 2h is a section view through line C-C of Figure 2b
  • Figure 3a is a plan view of a first schematic representation of an embodiment of the present invention
  • Figure 3b is a plan view of a second schematic representation of an embodiment of the present invention.
  • Figure 3c is a plan view of a third schematic representation of an embodiment of the present invention.
  • Figure 3d is a plan view of a fourth schematic representation of an embodiment of the present invention.
  • Figure 4a is a plan view of a first schematic representation of a further embodiment of the present invention.
  • Figure 4b is a plan view of a second schematic representation of a further embodiment of the present invention.
  • Figure 4c is a plan view of a third schematic representation of a further embodiment of the present invention
  • Figure 4d is a plan view of a fourth schematic representation of a further embodiment of the present invention
  • Figure 5a depicts another embodiment of a footwear article according to the present invention
  • Figure 5b depicts a further embodiment of a footwear article according to the present invention
  • Figure 6 depicts yet another embodiment of a footwear article according to the present invention
  • Figure 7a depicts yet a further embodiment of a footwear article according to the present invention
  • Figure 7b depicts the embodiment of the footwear article of Figure 7a in a non-flexed state
  • Figure 7c depicts the embodiment of the footwear article of Figure 7a in a flexed state
  • the footwear article 100 is provided in the form of a "flip-flop" type article, however other articles or other or alternate embodiments are also applicable to the invention, such as a sandal, slip-on type shoes or the like
  • the article 100 is provided as a generally elongate sole 10 which, in the present invention, is provided as two portions, a first portion 16 and a second portion 18, although those skilled in the art will appreciate that the article 100 may be provided as further portions without departing from the invention
  • a foot engagement means 20 is provided which is provided so as to cooperatively secure the article 100 to the foot of a person
  • FIG. 10 A foot engagement means 20 is provided which is provided so as to cooperatively secure the article 100 to the foot of a person
  • the engagement means 20 is affixed to the sole 10 of the article via apertures extending through the sole 10, the engagement means 20 having formations for abutting against and within recesses within the underside 14 of the sole 10
  • various engagement means may secured to the sole 10 in other manners where applicable
  • the first portion 16 is positioned and formed from a material suitable for providing cushioning or dampening to the heel of a person when standing or during walking
  • the second portion 18 provides for support of the front portion or metatarsal portion of the foot of a person
  • the sole 10 is provided with a concave upper surface 12 which is suitably contoured so as to provide for comfort of fit to the foot of a user when wearing the article 100
  • a peripheral lip 13 is provided which extends around the periphery of the sole 10 again providing for comfort to a user and for foot conformity
  • the first portion 16 further extends as a medical portion 19 to provide arch support to the foot of a person
  • Those skilled in the art will appreciate that other geometries and positioning of the first portion 16 may be provided in other or alternate embodiments so as to provide cushioning to the underside of the foot of a person, without departing from the scope of the invention
  • the first portion 16 of the sole 10 is formed from a gel-type polymeric material, in the present embodiment a polyurethane gel material, the visco-elastic properties of which provide for cushioning and shock absorption to the heel portion of a user
  • the second portion 18 of the sole 10 is formed from a further polymeric material, in the present embodiment expanded polyurethane, which is integrally formed with the first portion 10
  • the second portion of the present embodiment forms the majority of the sole, the flexural properties in conjunction with suitable sizing provides for significant flexing of the sole when walking and again increases comfort to a use
  • the first portion 16 and the second portion 18 are integrally formed by a co-molding process so as to provide continuity between the portions 16 and 18
  • a co-molding process is whereby the portions are molded together and are generally formed with a common mold
  • the present invention provides for continuity of the sole 10 to be formed as a unitary construct, allowing for ease of form and providing for continuity of the upper surface 12 of the sole, thus allowing for direct contact of the underside of the foot of a user and also provides for ease of formation and manufacturing Further, by providing a unitary construct such that the sole 10 is substantially formed in total by the first portion 16 and the second portion 18, ease and simplicity of formation and manufacture is achieved
  • the sole 10 may be formed by adhering the first portion 16 and the second portion 18 together by adhesives, pressure or heat sensitive glues or the like, where applicable
  • first portion 16 and the second portion 18 are formed from a polyurethane gel and expanded polyurethane material respectively, those skilled in the art that other polymer or thermoplastic materials may also be utilised, such as poly vinyl acetate materials or other such suitable polymeric materials
  • the sole 10 may be provided as a single material having varying densities so as to provide a first portion with appropriate cushioning whilst being of a expanded form for example for other parts of the sole so as to provide for structural integrity
  • the first portion 16 may be provided so as to provide medial or lateral support to the heel of a user so as to more evenly distribute load to the heel and to prevent exacerbated medial or lateral wear of the rear portion of the sole 10.
  • the first portion may be provided as two or more discrete parts spaced laterally apart form each other and suitably located and sized so as to 5 provide for more even loading and increased stabilisation to the underside of the foot of a user.
  • the first portion 16 is provided so as to extend partway through the sole 10 towards the lower surface 14. However, in other embodiments, the first portion 16 may extend to a greater or lesser extent through I O the thickness of the sole 10. Further, the first portion 16 is provided so as to extend the full width of the sole 10 in the present embodiment, however again, the first portion 16 may extend partway across the sole 10 in other embodiments.
  • the article 100 is depicted as a substantially planar "flip-flop" type footwear article, however, in other or alternate embodiments 15 the article 100 may be provided with a raised heel, such as for women's type footwear.
  • the first portion 16 may be provided as a plurality of layers either in the direction between the upper and lower surface or laterally, and each layer may be provided with differing colours.
  • cushioning elements such as "air cushioning" 0 elements may be incorporated within the sole to provide for additional cushioning to the foot of a user.
  • FIG. 3a there is shown an embodiment 200a of the invention whereby a third portion 215a is provided towards the metacarpal portion of a user's foot to provide for cushioning to the front portion of the foot of a user
  • the third portion may be formed from same of different materials as that of the first portion 216a
  • first portion 216b and the second portion 216 are integrally formed, and cooperatively provide for lateral support of the underside of the foot of a user
  • the first portion 216d is provided as two separate parts being spaced apart laterally so as to provide for increased medial or lateral support and cushioning to the underside of the heel portion of the foot of a user
  • Figure 3e depicts yet another embodiment of a footwear article 20Oe according to the present invention whereby the article 20Oe is provided with a raised heel
  • the first portion 216e provides for cushioning of the heel of a user whilst a third portion 215e is provided for contact with the ball of the foot of a user, which provides resistance and reduces the incidence or likelihood of the foot of the user sliding down the inclined surface
  • FIG. 4a shows a foot engagement means 320 typical of that of a "flip-flop”
  • Figure 4b shows an "cross-over” type engagement means
  • Figure 4c shows a single-strap type foot engagement means 320c
  • the first portion 410 extends along the entire length of the article 400 so as to provide the entire upper surface 420
  • the first portion 410 again is formed from a gel material so as to provide dampening to the foot of a user upon impact, in combination with an expanded polymeric foam of which the second portion 420 is formed
  • elongate grooves 440 extend laterally across the upper surface 420 of the article 400
  • the grooves 440 allow for localized deformation of the first portion 410, which provides for additional dampening to the foot of a user during use
  • the laterally extending grooves 440 also provide a "grip" effect which prevents slippage of the foot of a user against the other surface 420 during use
  • the first portion 510 extends the entire length of the footwear article 500 so as to form the entire upper surface 520
  • the second portion is provided by an expanded polymeric material 520 of foam form which extends the entire length of the article 500
  • grooves 540 are provided which, similarly as in the embodiment depicted in Figure 5a, allow for localized deformation of the first portion 510, and due to the gel like properties, and further incorporation with the expanded polymeric properties of the second portion 530, the grooves 540 allow for additional dampening and cushioning to the foot of a user during use.
  • the grooves 540 provide a "grip" type effect which reduces slippage of the foot of a user on the upper surface 520 of the article 500 during use.
  • the first portion 610 again formed from a gel material, and in this embodiment is provided towards the front portion of the footwear article 600.
  • the first portion 610 forms a part of the upper surface 620, and the second portion
  • the first portion 610 provides for dampening and shock absorption at the front portion of the foot of a user in use, and furthermore, the first portion being located in this position provides for grip of the foot of a user and prevents slippage along the upper surface 620 in use.
  • first portion 710 is provided again in a gel material form, and the second portion 730 is provided in an expanded polymeric form.
  • the first portion 710 extends the entire length of the footwear article 700 so as to form the entire upper surface 720 of the article 700.
  • the first portion and the second portion are selected from suitable polymeric materials and are suitably sized so as to provide for repetitive flexion of the footwear article as shown in Figure 7b during use, and so as to provide for resilience or "spring bag” such that the deformation is elastic and the article returns to its rest states as depicted in Figure 7c.
  • a footwear article of the type depicted is exposed to much flexion and bending and thus the first portion and second portion must be able to be maintained together to maintain the structural integrity of the sole.
  • footwear articles are provided such that the sole of the article comprises the entire sole of the device, and the foot engagement means merely hold the sole to the bottom of the foot of the user.
  • Such footwear articles are termed different names in different parts of the world, including terms such as “flip flop”, “thongs” and “jandals”.
  • the article must be extremely flexible so as to allow for continual flexing during walking or ambulation of a person.
  • a sole is distinctly different from that of traditional footwear articles, whereby a comparatively small amount of flexion is allowable and typically at one portion of the sole, in comparison with that as required and provided by flip-flop type footwear articles.
  • flip-flop type footwear as will readily be understood and appreciated by those skilled in the art, are often exposed to harsh environmental conditions such as water and long durations of sunlight due to their typical applications, and the materials from which they are formed and the manner in which the portions are joined, must be capable of withstanding such exposure
  • the present invention has overcome problems of the prior art such as delamination, so as to provide a footwear article having a sole distinctly different from those of conventional footwear, a sole which must endure significantly larger amounts of flexion and strain, whilst maintaining the structural integrity of the sole
  • a "co-molding process” whereby a gel material is co-moulded with a polymeric material which is expanded in a manner so as to provide continuity between the gel-type material and the expanded polymeric material
  • a unitary sole of a unitary construct has been provided that overcomes practical and longevity problems which may be encountered when utilizing bonding techniques such as used in the prior art
  • the co-molding process provides for structural integrity and also maintains the bond between the materials throughout angles of flexion of the sole well beyond the amount of flexion that conventional footwear are exposed to
  • the co-molding process simplifies production so as to allow ease of manufacture and reduction in manual labour, and does not require separate formation of the two portions, and does not require a post- fabrication process for joining the portions
  • the two portions by being moulded, provides a unitary structure whereby the sole is formed of a "continuous" polymeric material, without the necessity for adhesive and the like, and thus mitigating the incidence of debonding, even throughout repetitive large amounts of flexing
  • the co-molding process provides for rapid and cost and time effective manufacture, and reduces the amount of material wastage, thus also providing environmental advantages While the present invention has been explained by reference to the examples or preferred embodiments described above, it will be appreciated that those are examples to assist understanding of the present invention and are not meant to be restrictive Variations or modifications which are obvious or trivial to persons skilled in the art, as well as improvements made thereon, should be considered as equivalents of this invention

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP08848124.7A 2007-11-09 2008-11-07 Fussbekleidungsartikel Active EP2211650B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16179997.8A EP3132705B1 (de) 2007-11-09 2008-11-07 Schuhartikel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/IB2007/003419 WO2009060251A1 (en) 2007-11-09 2007-11-09 Footwear article
PCT/IB2008/002987 WO2009060299A2 (en) 2007-11-09 2008-11-07 Footwear article

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP16179997.8A Division EP3132705B1 (de) 2007-11-09 2008-11-07 Schuhartikel
EP16179997.8A Division-Into EP3132705B1 (de) 2007-11-09 2008-11-07 Schuhartikel

Publications (3)

Publication Number Publication Date
EP2211650A2 true EP2211650A2 (de) 2010-08-04
EP2211650A4 EP2211650A4 (de) 2013-07-10
EP2211650B1 EP2211650B1 (de) 2016-08-31

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DK (1) DK2211650T3 (de)
ES (2) ES2751709T3 (de)
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US10674786B2 (en) * 2011-03-08 2020-06-09 Athalonz, Llc Athletic positioning apparatus including a heel platform and applications thereof
GB201112362D0 (en) * 2011-07-18 2011-08-31 Fitflop Ltd An item of footwear
WO2014030025A1 (en) * 2012-08-21 2014-02-27 David Fu Footwear article
ES2633348T3 (es) * 2012-10-16 2017-09-20 Loan KIM THI PHAM Sandalia ortopédica para la prevención de una pluralidad de problemas de salud en el pie, el tobillo y la columna vertebral
US20200154818A1 (en) * 2017-05-05 2020-05-21 David Fu Process of ornamentation of elastic element for footwear, and footwear article
CN115177071A (zh) * 2017-10-23 2022-10-14 耐克创新有限合伙公司 用于鞋类物品的鞋底结构
US11178934B2 (en) * 2018-07-18 2021-11-23 Bolt Threads Inc. Resilin material footwear and fabrication methods
ES2797531B2 (es) * 2019-07-18 2021-04-06 Porta Canto Antonio Ramon Procedimiento de fabricación de una suela para calzado y producto así obtenido
EP4056067A4 (de) * 2019-12-12 2022-11-02 ASICS Corporation Schuhsohle und schuh damit

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Also Published As

Publication number Publication date
EP2211650A4 (de) 2013-07-10
WO2009060301A2 (en) 2009-05-14
AU2008326132A1 (en) 2009-05-14
PT2211650T (pt) 2016-11-30
ES2604955T3 (es) 2017-03-10
WO2009060251A1 (en) 2009-05-14
DK2211650T3 (en) 2016-12-19
HK1207803A1 (en) 2016-02-12
CN102724892B (zh) 2015-06-17
JP3167742U (ja) 2011-05-19
EP3132705A1 (de) 2017-02-22
EP2211651A4 (de) 2013-06-26
HK1143101A1 (zh) 2010-12-24
EP2211651A2 (de) 2010-08-04
US20100242306A1 (en) 2010-09-30
EP3132705B1 (de) 2019-07-17
AU2008101274A4 (en) 2010-08-05
US9700099B2 (en) 2017-07-11
WO2009060299A3 (en) 2009-07-02
US9055783B2 (en) 2015-06-16
EP2211650B1 (de) 2016-08-31
WO2009060299A2 (en) 2009-05-14
EP2211651B1 (de) 2017-08-02
CN102724892A (zh) 2012-10-10
WO2009060301A3 (en) 2009-07-23
CN104824905A (zh) 2015-08-12
AU2008101274A6 (en) 2010-08-12
US20140096411A1 (en) 2014-04-10
US20150327621A1 (en) 2015-11-19
CN104824905B (zh) 2017-10-31
ES2751709T3 (es) 2020-04-01

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